Every process has its guidelines and limitations, injection molding is no exception. With this whitepaper from Protomold, designers can address the challenges of parts that have indentations, through-holes, and other features that don’t point straight up or down. Proto Labs is the world’s fastest provider of CNC machined and injection molded parts. Our Firstcut and Protomold services utilize proprietary computing technologies and automated manufacturing systems to provide both prototype and short-run production parts. Just upload a 3D CAD model to get real parts in as fast as one business day.